Sixteen food makers on Monday pledged to cut 1.5 trillion calories from their products by 2015 as part of a White House campaign to combat childhood obesity. But it will be difficult to measure whether food companies meet the goal, and many of the industry's biggest players haven't signed on.
The effort is the first major step by the food industry in response to first lady Michelle Obama's drive to reduce the share of U.S. children that are obese to 5% by 2030, from nearly one-third now who are either overweight or obese.
"This is precisely the kind of real private-sector commitment that we need," Mrs. Obama said Monday.
The industry group said it would tackle the problem three ways: by offering more lower-calorie alternatives to traditional products; by changing recipes for existing products; and by reducing portion sizes of single-serving items.
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